A carefully corrected and official copy of the proceedings of the Committee of Arrangements for the preliminary organization of the International Congress, at its meetings in Chicago, June 24 and 25, and in New York, September 3 and 4, has been printed and sent by direction of the Secretary-General to all the medical journals in this country. Examination will show that these Rules are, in all essential particulars, in strict accordance with those which have been adopted for the organization and government of preceding Congresses. They not only open the doors to membership as widely as was done either at London or Copenhagen, but they confer upon the chief officers of the Congress and the presidents of Sections, acting as an Executive Committee, full power to make such further arrangements as may be necessary for the independent and successful management of the Congress in 1887. The Rules thus adopted are